package day03;

//if...else结构的演示
public class IfElseDemo {
    public static void main(String[] args) {

        double price = 300.0;
        if (price >= 500) {
            price *= 0.8;
        } else {
            price *= 0.9;
        }
        System.out.println(price);

        double score = 55.0;
        if (score >= 0 && score <= 100) {
            System.out.println(score + "是合法成绩");
        } else {
            System.out.println(score+"是不合法成绩");
        }
    }
}
